How to Fix and Recover .KGB Files Damaged by Hardware Failure

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .KGB file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Fix and Recover .KGB Files Damaged by Hardware Failure
Data Recovery Tool

What is a .KGB file?

File archive compressed using KGB Archiver, a data compression/file archiving tool created by Tomasz Pawlak; uses a higher compression rate than most other compression programs and supports AES-256 encryption.

What Are Common Causes of ".KGB" Files Lost or Failure?

There are several common causes for ".KGB" files to be lost or fail:

  1. Accidental deletion: Users may accidentally delete ".KGB" files while trying to clear up storage space or organizing their files.
  2. File system corruption: If the file system on the storage device where the ".KGB" files are stored gets corrupted, it can result in the loss or failure of these files.
  3. Virus or malware attack: A virus or malware infection can corrupt or delete ".KGB" files, making them inaccessible or causing them to fail.
  4. Hardware failure: If the storage device where the ".KGB" files are stored experiences a hardware failure, such as a hard drive crash or failure, it can lead to the loss or failure of these files.
  5. Software issues: Issues with the software used to compress or decompress ".KGB" files can cause them to become corrupted or fail to open properly.
  6. Power outage or system crash: If a power outage or system crash occurs while working with ".KGB" files, it can result in data loss or file corruption.
  7. Incompatibility: If the software or application used to open ".KGB" files is not compatible with the file format, it may fail to open or cause data loss.
  8. File transfer errors: Errors during the transfer of ".KGB" files, such as interrupted downloads or incomplete uploads, can lead to file corruption or loss.

It is important to regularly back up ".KGB" files and use reliable storage devices and antivirus software to minimize the risk of file loss or failure.

How to recover lost ".KGB" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".KGB" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".KGB" file is always to create it once more.

Use programs for recovering ".KGB" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".KGB" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

Partition Recovery™ 5.0
The tool recovers data from any devices, regardless of the cause of data loss.
Download

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software

  3. Double-click on the disk from which you need to recover ".KGB" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type

  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored

  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan

  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery

  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".KGB" extension?

Looking for how to open a stereo kGB Archive File image file file?

Programs that open ".KGB" files

Windows
KGB Archiver KGB Archiver

Additional Information

  • File type: KGB Archive File

  • File extension: .KGB

  • Developer: Tomasz Pawlak

  • Category: Compressed Files

  • Format: N/A

  • HEX: 4B 47 42 5F 61 72 63 68 20 2D

  • ASCII: KGB_arch -

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:34 #
    Leave a comment if you have any questions about Recovering lost .KGB files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What is a ".KGB backup" file and how is it different from other backup file formats?

    A ".KGB backup" file is a compressed backup file format that is created using the KGB Archiver software. KGB Archiver is a file archiver and data compression utility, similar to other compression tools like WinRAR or 7-Zip.

    The ".KGB backup" format is different from other backup file formats primarily in terms of compression ratio. KGB Archiver uses the KGB algorithm, which is known for its high compression ratio. It can compress files to a significantly smaller size compared to other compression methods, but at the cost of slower compression and decompression speeds.

    However, it's important to note that the ".KGB backup" format is not widely used or supported by other software or applications. It is a proprietary format specific to KGB Archiver. Therefore, files compressed in the ".KGB backup" format can only be opened or extracted using the KGB Archiver software.

  • How can I create a ".KGB backup" file for my data and what software or tools are required for this process?

    Creating a ".KGB backup" file for your data typically refers to compressing and archiving files using the KGB Archiver software. KGB Archiver is a file compression tool that can achieve high compression ratios.

    To create a ".KGB backup" file, follow these steps:

    1. Download and install the KGB Archiver software from a trusted source. It is available for free online.
    2. Launch the KGB Archiver application.
    3. Click on the "Compress files" or "Add files" button to select the files or folders you want to include in the backup.
    4. Choose a destination folder where the backup file will be saved.
    5. Select the compression level. Higher levels provide better compression ratios but take longer to process.
    6. Specify the output format as ".KGB" or ".KGBS" for a self-extracting archive.
    7. Click on the "Next" or "Start" button to begin the compression process.
    8. Wait for the compression process to complete. This may take some time, especially for large files or high compression levels.
    9. Once the compression is finished, you will have a ".KGB" backup file containing your data.

    It's worth noting that the KGB Archiver software is known for its high compression ratios, but it also has some limitations. The decompression process can be slow, and the software may not be compatible with all operating systems or file formats. Additionally, it is not as widely used or supported as other compression tools like ZIP or RAR.

    If you are looking for a more widely supported and user-friendly backup solution, you may consider using other tools like WinRAR, 7-Zip, or built-in backup utilities provided by your operating system.

  • Are there any specific advantages or disadvantages of using a ".KGB backup" format compared to other widely used backup formats like ".ZIP" or ".RAR"?

    The ".KGB backup" format is not widely used or recognized compared to formats like ".ZIP" or ".RAR". However, if we assume that the ".KGB backup" format exists and is being compared to other popular formats, here are some hypothetical advantages and disadvantages:

    Advantages of ".KGB backup" format:

    1. Higher Compression Ratio: If the ".KGB backup" format utilizes advanced compression algorithms, it could potentially achieve higher compression ratios compared to ".ZIP" or ".RAR". This would result in smaller backup file sizes, saving storage space.
    2. Better Compression Speed: If the compression algorithm used in ".KGB backup" is optimized for speed, it could perform compression faster than other formats, reducing the time required for backup creation.

    Disadvantages of ".KGB backup" format:

    1. Limited Compatibility: ".KGB backup" is not a widely recognized or supported format. This means that it may not be compatible with various backup and archiving software, limiting its usability.
    2. Lack of Standardization: Since ".KGB backup" is not a widely used format, there may be a lack of standardization, leading to potential issues when trying to open or extract files from the backup.
    3. Reduced Performance: If the compression algorithm used in ".KGB backup" is highly optimized for achieving high compression ratios, it may result in slower decompression speeds. This could impact the time required to restore files from the backup.

    It is worth noting that the ".KGB backup" format mentioned in the question is not a commonly known or used format. The advantages and disadvantages mentioned above are speculative and based on assumptions regarding the features of such a format.
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